# MATLAB: Colouring stacked bar chart

barcolorMATLABstack

Hello, I got a n by 3 matrix with the first column containing indexes 1,2,3 and 4. I want to create a bar chart which stacks the third column over the second one and colours the bars differently depending on the index. Is that possible?

N = 10;M = 4;colspec = 'rgym';x = [randi(M, N, 1), rand(N, 1), rand(N, 1)];hold onfor ii = 1:M  jj = find(x(:, 1) == ii);  y = zeros(N, 1);  y(jj) = x(jj, 2)+x(jj, 3);  bar(y, colspec(ii));  y(jj) = x(jj, 2);  bar(y);end